hugo-theme-hilfe/layouts/partials/head/meta.html

<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="color-scheme" content="light dark" />

{{ $description := default (default .Site.Title .Site.Params.description) (default .Summary .Description) }}
{{ $keywords := default .Site.Params.Keywords .Keywords }}

{{ with $description }}
  <meta name="description" content="{{ . }}" />
{{ end }}
{{ with $keywords }}
  <meta name="keywords" content="{{ delimit . "," }}" />
{{ end }}